Internal Corrosion Monitoring over the last few decades has relied upon the 5 basic techniques. Little improvement in performance has been achieved. In addition many of the newer internal corrosion monitoring techniques have proved of little value in the field although some of them have instances of success in the laboratory. Industry has many high value hydrocarbon applications requiring corrosion rate monitoring for real-time problem solving and control. The high value of assets and the cost of asset replacement makes it necessary to practice cost effective process and corrosion control. Traditional metal loss technology today provides either high sensitivity with short life, or conversely, long life but with substantially reduced sensitivity. The situation was to seek an improved working life of sensors without significantly compromising performance. The paper discusses the limitations of existing on-line technologies and describes the performance of a new technology. This new metal loss technology was introduced 1 year ago at Corrosion 99'.
Since that time several field projects have been completed or are
ongoing. This paper will discuss the new metal loss technology and report on some of the data that has been obtained.